Home / 1,074,147.56-1,611,220.80-511,476.20

Finding the Fourth Proportional to 1,074,147.56, 1,611,220.80 and 511,476.20

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Solution

The fourth proportional to 1,074,147.56, 1,611,220.80 and 511,476.20 is: 767,214.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,147.56 : 1,611,220.80 = 511,476.20 : x
  2. Step 2: Convert to fraction form
    1,074,147.56/1,611,220.80 = 511,476.20/x
  3. Step 3: Cross multiply
    1,074,147.56x = 1,611,220.80 × 511,476.20
  4. Step 4: Simplify right side
    1,074,147.56x = 824,101,092,144.96
  5. Step 5: Solve for x
    x = 824,101,092,144.96/1,074,147.56
  6. Step 6: Final answer
    x = 767,214.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.